Minor dependency and variable cleanup. (#36730)

removal of misc unused or extra dependency definitions.

Content.Client/UserInterface/Systems/Actions/ActionUIController.cs

@@ -45,7 +45,6 @@ public sealed class ActionUIController : UIController, IOnStateChanged<GameplayS
     [Dependency] private readonly IPlayerManager _playerManager = default!;
     [Dependency] private readonly IInputManager _input = default!;
 
-    [UISystemDependency] private readonly SharedChargesSystem _sharedCharges = default!;
     [UISystemDependency] private readonly ActionsSystem? _actionsSystem = default;
     [UISystemDependency] private readonly InteractionOutlineSystem? _interactionOutline = default;
     [UISystemDependency] private readonly TargetOutlineSystem? _targetOutline = default;